HEIDENHAIN TNC 410 ISO Programming - Manual (Page 259)

HEIDENHAIN TNC 410, TNC 426, TNC 430 233
8.4 Cy
cles f
o
r Mil
ling P
o
c
k
e
ts, St
ud
s an
d Slo
ts
U U U U First side length 4 (incremental value): Pocket
length, parallel to the reference axis of the working
plane
U U U U 2nd side length 5 : Pocket width
U U U U Feed rate F : Traversing speed of the tool in the
working plane
U U U U Rounding off radius : Radius for the pocket corners.
If Radius = 0 is entered, the pocket corners will be
rounded with the radius of the cutter.
Calculations:
Stepover factor k = K x R
K: is the overlap factor, preset in Machine Parameter 7430, and
R is the cutter radius